[Safety and environmental risks of coal fired boilers in small and medium-sized enterprises «SMEs», located in Itagüí town, Antioquia].

Objective: To describe the environmental and safety risks present in coal fired boilers in small and medium-sized enterprises, located in Itagüí town.

Method: Cross sectional descriptive study: An appropriate sample of 8 boilers with its corresponding operators was selected. The description of the boilers was carried out through the implementation of four instruments to evaluate and assess security risks; Its level of safety, the environmental risks and the environmental impacts.

[Environmental health at La Chaparrala subbasin, Colombia 2015].

Objective: To assess environmental health conditions at La Chaparrala subbasin, in the Andes Mountains of Colombia, during 2015.

Method: Descriptive cross-sectional study on sanitary and environmental conditions of the dwellings, as well as on immediate environment, and environmental health prejudices. A survey was applied to 117 families settled in the main axis of the creek.